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  2. Prohibited airspace - Wikipedia

    en.wikipedia.org/wiki/Prohibited_airspace

    A prohibited airspace is an area (volume) of airspace within which flight of aircraft is not allowed, usually due to security concerns. It is one of many types of special use airspace designations and is depicted on aeronautical charts with the letter "P" followed by a serial number.

  3. The FAA has designed a no-drone sign for government agencies to use to identify flight restrictions. Temporary Flight Restrictions (TFRs): An area of airspace that is temporarily restricted ...

  4. NOTAM - Wikipedia

    en.wikipedia.org/wiki/NOTAM

    military exercises with resulting airspace restrictions; inoperable lights on tall obstructions; temporary erection of obstacles near airfields (e.g., cranes) passage of flocks of birds through airspace (a NOTAM in this category is known as a BIRDTAM) notifications of runway/taxiway/apron status concerning snow, ice, and standing water (a SNOWTAM)

  5. Special flight rules area - Wikipedia

    en.wikipedia.org/wiki/Special_Flight_Rules_Area

    The Hudson River Class B exclusion area is formed from the airspace above the Hudson River between the Alpine Tower and the Verrazzano-Narrows Bridge. It is bounded by the banks of the Hudson River and runs from the surface of the river up to 1,300 feet (320 metres). Aircraft fly along the right-hand bank to separate northbound and southbound ...

  6. Area control center - Wikipedia

    en.wikipedia.org/wiki/Area_control_center

    In air traffic control, an area control center (ACC), also known as a center or en-route center, is a facility responsible for controlling aircraft flying in the airspace of a given flight information region (FIR) at high altitudes between airport approaches and departures.

  7. Ronald Reagan Washington National Airport - Wikipedia

    en.wikipedia.org/wiki/Ronald_Reagan_Washington...

    In addition, due to security concerns, the areas surrounding the National Mall and U.S. Naval Observatory in central Washington are prohibited airspace up to 18,000 feet (5,500 m). Due to these restrictions, pilots approaching from the north are generally required to follow the path of the Potomac River and turn just before

  8. AT&T CEO: If Trump slashes taxes, we will invest more in ...

    www.aol.com/finance/t-ceo-trump-slashes-taxes...

    AT&T's long-term debt now stands at $126 billion, down from more than $128 billion in 2022. Shares are up 42% over the past year, according to Yahoo Finance data. Verizon and T-Mobile shares are ...

  9. Airspace class (United States) - Wikipedia

    en.wikipedia.org/wiki/Airspace_class_(United_States)

    Class D airspace is delimited by a thin, dashed blue line, generally in the form of a circle centered on an airport. A number enclosed in a box surrounded by a similar dashed line (ceiling value) and usually within the class D area gives the upper limit of the airspace in hundreds of feet (the lower limit of class D is always the surface).